ISO 9073-1:1989 Preview
Textiles -- Test methods for nonwovens -- Part 1: Determination of mass per unit area
This standard was last reviewed and confirmed in 2015. Therefore this version remains current.
Measurement of the area and mass of a test piece and calculation of its mass per unit area in grams per square metre. In order to meet the specific needs of nonwovens, alternative requirements to those listed in ISO 3801 are specified in this part of ISO 9073. These are: a) a different sampling procedure; b) an alternative specification for dimensions of test piece; c) a greater accuracy for the balance.
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